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Type: Posts; User: jkkmobile

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  1. Replies
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    The Haas desktop mill.

    The Haas Desktop Mill is a portable CNC machine geared toward the education and hobbyist market. It is perfect for learning the fundamentals of CNC programming, right on the industry-leading Haas...
  2. Re: How are you supposed to hold the ball screw and tighten the nut to spec on these?

    You can make one.. just buy a 28mm one way bearing and mill a handle. Locktite or glue the bearing in it..
  3. Re: How are you supposed to hold the ball screw and tighten the nut to spec on these?

    I use one way bearing wrench, similar to ones on link to hold the screw from the floating end.

    https://www.bigkaiser.com/en/products/tool-holders/accessories-tool-holders/wrenches/mega-wrenches
  4. Replies
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    Re: Fixed Gantry Build

    You should have more Z if you want to do aluminium milling on a vice.

    A 4 inch vice is almost 4 inches high..
  5. Replies
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    Re: 3D Probe - Tri-balls type accuracy & DIY

    Stylus contact forces for CMM scanning probes

    SP600

    [https://www]

    The relevant spring rate is 1.2 N/mm in the X, Y and Z axes so the force on the component will vary with the amount of...
  6. Replies
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    Re: 3D Probe - Tri-balls type accuracy & DIY

    Similar ones have:

    axial 3 to 5 N

    radial 0.5 to 1 N
  7. Replies
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    Re: 3D Probe - Tri-balls type accuracy & DIY

    I don't think you should be measuring anything on a space with 10dC temperature variations..
  8. Replies
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    Re: harmonic gearhead rotary axis build

    What gear drive is it?
  9. Re: ATC 2.5KW Jianken - Chinese spindle review and close look.

    Could you post the exact model number of this spindle?

    I didn't find 2.5kw 24krpm 400hz 220v atc there...
  10. Re: Full Horizontal Carriage

    You should round or facet all inner corners.. any sharp inner corner is easy cracking point.
  11. Re: 6-axis Horizontal Machining Center for Education

    Now you start to understand how important way covers are on the design.

    You should talk to your supplier asap about the minimum length/inner parts of the way cover parts.. you should make them...
  12. Re: 6-axis Horizontal Machining Center for Education

    There are no way covers? If you are locking the final travel now you need to add room for way covers specially between bed and upright colum..
  13. Replies
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    Re: CNC bench mill design for feedback

    Not sure about your table size but you can get nice steel t-slotted tables quite cheeply:

    https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F370753429171

    C6...
  14. Re: Check out this ATC adapter for regular ER11 Chinese spindles...

    This one should be better:
    https://www.sorotec.de/shop/Spindles/hf-spindle-aut-tool-change/mechatron-spindles-atc/tool-change-adapters/
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